245383144 has 8 divisors (see below), whose sum is σ = 460093410. Its totient is φ = 122691568.

The previous prime is 245383139. The next prime is 245383147. The reversal of 245383144 is 441383542.

It can be written as a sum of positive squares in only one way, i.e., 152028900 + 93354244 = 12330^2 + 9662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (245383147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15336439 + ... + 15336454.

Almost surely, 2^245383144 is an apocalyptic number.

It is an amenable number.

245383144 is a deficient number, since it is larger than the sum of its proper divisors (214710266).

245383144 is a wasteful number, since it uses less digits than its factorization.

245383144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30672899 (or 30672895 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 245383144 is about 15664.7101473344. The cubic root of 245383144 is about 626.0584892289.

The spelling of 245383144 in words is "two hundred forty-five million, three hundred eighty-three thousand, one hundred forty-four".